Some Halifax residents and councillors are questioning whether a multimillion-dollar plan to widen a busy roadway is the right move, but municipal staff say it's needed to improve transit now and in the decades to come.

On Thursday, municipal staff provided an update to the city's transportation committee about the Robie Street transit corridor. The city is creating bus lanes in both directions on Robie over the coming years, with lanes already installed in some sections in 2020.

Municipal staff …